let categorys = [{
  value: '1',
  label: '机械设备',
  children: [{
    value: '5',
    label: '传送带'
  },
  {
    value: '6',
    label: '发动机'
  }
  ]
},
{
  value: '2',
  label: '办公用品',
  children: [{
    value: '7',
    label: '家具'
  },
  {
    value: '8',
    label: '工具'
  }
  ]
},
{
  value: '3',
  label: '运输工具',
  children: [{
    value: '9',
    label: '汽车'
  },
  {
    value: '10',
    label: '拖拉机'
  }
  ]
}
]

export default categorys
